GM G-Body 283-400 Elite Ultra-Duty HTC Coated Full Length Headers

Name: GM G-Body 283-400 Elite Ultra-Duty HTC Coated Full Length Headers
Brand: HEDMAN
SKU: 500-68318
Price: 623.99 USD
Availability: InStock

^$623⁹⁹

Ships on Dec 02, 2026

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GM Cars

Elite Ultra-Duty HTC Coated Full Length Headers

1978-1987 G-Body 283-400

Includes Gaskets, Hardware and Reducers

Tube Size: 1-1/2 in.

Collector Size: 3 in.

Applications:

1978-1987 Chevelle, Malibu, Monte Carlo, El Camino
1978-1987 Cutlass
1978-1987 Grand Prix
1978-1983 Skylark
1978-1987 Regal

Fits Automatic Transmission floor or column shift
Fits floor shift Manual Transmission
Without Smog injection or injection heads
Compatible with power steering
Modification to stock exhaust required to retain catalytic converter
Not legal for sale or use in California or pollution controlled motor vehicles
Must Modify rotary A/C bracket
Elite replacement gasket p/n 500-27520

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Do It Once, Do It Right

Hedman Elite Headers are the best you can buy. They have thicker flanges, stronger tubing, and thermal coating to withstand full-throttle thrashing and torturous towing. Their extreme-duty construction protects against burnout and exhaust leaks caused by the excessive heat and vibration of high-performance applications. Elite Headers outlast and outperform ordinary headers. All Hedman street headers are made in the USA with a 5-year coating warranty and lifetime product defect warranty.

Note: Installing coated headers on an engine during the break-in period will cause discoloration. It is recommended that the factory manifolds or an old set of headers are used while breaking in an engine.

Features

Hefty 3/8" flanges
Shorty or full-length design
Thick wall 14-gauge primary tubes
Built to withstand tough applications
HTC thermal coating with 5-year warranty
Lifetime warranty against manufacturing defects

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